Re: Why this activity on mounted but unused fs?

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On 4/11/18 5:32 pm, Eyal Lebedinsky wrote:
On 4/11/18 4:44 pm, Samuel Sieb wrote:
On 11/3/18 10:19 PM, Eyal Lebedinsky wrote:
What is this io, and can it be stopped? I want to allow the disks to enter
low power mode (not spin down) when idle.

I'm assuming since it's a new RAID that you haven't created files on it yet, or at least not many.  Try running "lsof +D /mnt/point" to see if there is any process looking at it.  Then try running "inotifywait -rm /mnt/point" and let it run for a little while to see if you can catch some process accessing the fs.  You will need to install "inotify-tools" to get that program.

Sure, should have said a bit more: The array was resync'ed, then (much) data was copied in. This was a few days ago.

$ sudo inotifywait -rm /new-raid
Setting up watches.  Beware: since -r was given, this may take a while!
Watches established.
     -> nothing listed for a few minutes

'lsofs' finds nothing relevant.

'lsofs +D' is likely to take too long:
     $ sudo find /new-raid/ -type d|wc -l
     101078
     $ sudo find /new-raid/ -type f|wc -l
     1445375
It is running now...

Finished, listed nothing.

--
Eyal at Home (fedora@xxxxxxxxxxxxxx)
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